[PATCH:libXcursor 2/2] XcursorImageLoadCursor: return failure if _XcursorGetDisplayInfo fails

[Alan Coopersmith]

Error: Null pointer dereference (CWE 476)
   Read from null pointer 'info'
        at line 615 of src/cursor.c in function 'XcursorImageLoadCursor'.
          Function '_XcursorGetDisplayInfo' may return constant 'NULL' at line 134, called at line 597.
          Null pointer introduced at line 134 of src/display.c in function '_XcursorGetDisplayInfo'.

[ This bug was found by the Parfait 0.3.7 bug checking tool.
  For more information see http://labs.oracle.com/projects/parfait/ ]

Signed-off-by: Alan Coopersmith <alan.coopersmith at oracle.com>
---
 src/cursor.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/src/cursor.c b/src/cursor.c
index b36339b..92bd417 100644
--- a/src/cursor.c
+++ b/src/cursor.c
@@ -601,6 +601,9 @@ XcursorImageLoadCursor (Display *dpy, const XcursorImage *image)
 	GC		    gc;
 	XGCValues	    gcv;
 
+	if (!info)
+	    return 0;
+
 	core.src_image = XCreateImage (dpy, NULL, 1, ZPixmap,
 				       0, NULL, image->width, image->height,
 				       32, 0);
-- 
1.7.3.2